Abstract. Although privacy is often seen as an essential right for internet users, the provision of anonymity can also provide the ultimate cover for malicious users. Privacy Enhan...
We explore how Private Information Retrieval (PIR) can help users keep their sensitive information from being leaked in an SQL query. We show how to retrieve data from a relational...
We present Drac, a system designed to provide anonymity and unobservability for real-time instant messaging and voice-over-IP communications against a global passive adversary. The...
Abstract. Webs of trust constitute a decentralized infrastructure for establishing the authenticity of the binding between public keys and users and, more generally, trust relation...
Michael Backes, Stefan Lorenz, Matteo Maffei, Kim ...
In this paper we describe a new algorithm focused on obtaining stationary foreground regions, which is useful for applications like the detection of abandoned/stolen objects and p...